Heat gun



FIG. 1 is a front perspective view of a heat gun showing my new designin accordance with a first embodiment;

FIG. 2 is a rear perspective thereof;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a rear elevation view thereof;

FIG. 5 is a right side elevation view thereof;

FIG. 6 is a left side elevation view thereof;

FIG. 7 is a top plan view thereof; and

FIG. 8 is a bottom plan view thereof.

FIG. 9 is a front perspective view of a heat gun showing my new designin accordance with a second embodiment;

FIG. 10 is a rear perspective thereof;

FIG. 11 is a front elevation view thereof;

FIG. 12 is a rear elevation view thereof;

FIG. 13 is a right side elevation view thereof;

FIG. 14 is a left side elevation view thereof;

FIG. 15 is a top plan view thereof; and,

FIG. 16 is a bottom plan view thereof.

The broken lines in the drawings illustrate a boundary defining portionsof the heat gun that form no part of the claimed design. The brokenlines form no part of the claimed design.

CLAIM The ornamental design for a heat gun, as shown and described. 